Nitrogen doped Graphene is a promising material for electronic applications. Its high properties make it attractive for use in various applications, such as battery cells and solar cells. In this study, we used two electrode systems to achieve electrochemical exfoliation of graphite.
Graphene
Nitrogen doped Graphene is an intriguing nanomaterial with diverse applications in fuel cell chemistry. Its unique properties include an increased activation region on the graphene surface, which enhances catalytic properties. Furthermore, nitrogen atoms enhance the band gap, resulting in a broad range of potential applications in fuel cell chemistry.
Another way to modify the electronic properties of graphene is to induce a band-gap in bilayer graphene by applying an electric field. A team led by Y. Cao and colleagues has shown that a small amount of twisting in between two graphene sheets can change the material’s electronic properties to those of a superconductor.
The process produces films of high crystallinity and large area. It also uses a plasma/metal coupling, allowing for localized heating of the metal foil and thus a shorter post-growth cooling time. During the synthesis, hydrogen, methane, and nitrogen gas plasmas remove the native oxide layer of the copper foil.
Nitrogen-doped graphene aerogels are a promising option for inexpensive sensors for biochemical and chemical analysis. With the right electrochemistry, they could greatly increase the sensitivity of traditional sensors. Moreover, the process introduces oxygen-containing functional groups in the graphene lattice. This results in changes in the lattice structure and ID/IG Raman ratios of the nanoparticles. In addition, energy-dispersive X-ray spectroscopy confirms the presence of oxygen atoms.
Graphene is a significant candidate material for next-generation energy storage and electronic devices. Nitrogen-doped graphene has the potential as a supercapacitor material.
Graphene aerogel
Graphene aerogels doped with nitrogen have been found to have improved electrochemical performance compared to their non-doped counterparts. This is largely due to the 3D porous structure of the graphene aerogels, which provides sufficient interstitial space to provide a greater number of electrochemically active sites. This structure also facilitates sodium ion diffusion by increasing the surface area of the electrodes.
The N-doped graphene aerogel had a higher thermal conductivity than pure graphene, as well as improved electrical conductivity. In addition, the N-doped graphene aerosols possessed an increased adsorption capacity, as compared to their pure counterparts (33 g/cm-3).
The N-doped graphene aerogel is an excellent negative electrode for SCs. It has an outstanding specific capacitance of 2.1 mAh cm-3, a high rate capability of 3 mA cm-2, and 93% cycle life stability after 10000 cycles. This device has the potential to be used in modern mobile electronics and as an efficient energy storage electrode.
The N-doped graphene aerogel exhibits increased electrical conductivity compared to its counterpart. However, the NG/Fe3O4 aerogel is less resistant. It has a charge transfer resistance of 0.9 m-1 compared to its counterpart. Its bulk electrical conductivity is approximately 50 Sm-1. This is an outstanding result for an electrochemical electrode.
Another advantage of N-doped graphene is its photocatalytic capability. Under ultraviolet light, it can generate hydrogen. This is an important feature for solar energy development, as visible light represents forty percent of the solar spectrum. In addition, this material has been shown to be effective in the degradation of dye pollutants.
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Graphene doped with nitrogen
Graphene that has been doped with nitrogen is known as N graphene. It has different properties, including a higher BET surface area than graphene without nitrogen. Graphene with nitrogen can have as much as 450 m2/g BET surface area.
Nitrogen doping of graphene changes its electronic properties but doesn’t disturb the basic structure. X-ray measurements of graphene doped with nitrogen reveal that the nitrogen atoms are inside the plane of the sheet and bonded with its three carbon neighbors. Using the TEM technique, researchers were able to analyze large samples simultaneously.
Graphene doped with nitrogen is a useful material for battery applications. Its reversible discharge capacity and electrochemical properties are improved. In addition, graphene doped with nitrogen exhibits good cyclic stability. For this reason, it may be a good candidate for Li-ion batteries.
The preparation of N-GP is based on a modified hydrothermal process. This method eliminates harsh doping environments while maintaining the mechanical integrity of freestanding graphene paper. This method is also cost-effective and yields a large number of applications. These applications could include sensors and high-performance electronics.
Graphene doped with nitrogen is also useful as a catalyst, electrode, battery, and supercapacitor. These properties make it a promising material for electronic applications.
Graphene doped with nitrogen is a promising candidate for electrocatalysts in the hydrogen evolution reaction. It has the advantage of reducing overpotentials and has long-term stability.
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